Montana Moderate Special Weather Statement | Effective 09/13/2026 20:11

Headline: 
Special Weather Statement issued September 13 at 9:11PM MDT by NWS Great Falls MT
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
September 13, 2026 - 8:11pm
Expires: 
September 13, 2026 - 8:45pm
Description: 
At 910 PM MDT, Doppler radar was tracking a strong thunderstorm 20 miles south of Belt, or 33 miles west of Stanford, moving northeast at 35 mph. HAZARD...Wind gusts up to 40 mph and nickel size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Geyser, Sluice Boxes State Park, Raynesford, and Monarch.
Instruction: 
Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service.
Area Description: 
Cascade County below 5000ft; Judith Basin County and Judith Gap; Little Belt and Highwood Mountains
Forcast Office: 
NWS Great Falls MT
Sender: 
w-nws.webmaster@noaa.gov